From: Forza <forza@tnonline.net>
To: Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: cannot use btrfs for nfs server
Date: Mon, 19 Jul 2021 14:06:14 +0200 [thread overview]
Message-ID: <2b53b9dd-4353-a73e-59b3-c87b6419ebf4@tnonline.net> (raw)
In-Reply-To: <20210713073721.GA5047@tik.uni-stuttgart.de>
On 2021-07-13 09:37, Ulli Horlacher wrote:
> On Mon 2021-07-12 (23:56), g.btrfs@cobb.uk.net wrote:
>
>>> root@tsmsrvj:/etc# du -Hs /nfs/localhost/snapshots
>>> du: WARNING: Circular directory structure.
>>> This almost certainly means that you have a corrupted file system.
>>> NOTIFY YOUR SYSTEM MANAGER.
>>> The following directory is part of the cycle:
>>> /nfs/localhost/snapshots/spool
>>
>> Sure. But it makes the useful operations work. du, find, ls -R, etc all
>> work properly on /nfs/localhost/fex.
>
> Properly on /nfs/localhost/fex : yes
> Properly on /nfs/localhost/snapshots : NO
>
> And the error messages are annoying!
>
> root@tsmsrvj:/etc# exportfs -v
> /data/fex localhost.localdomain(rw,async,wdelay,crossmnt,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
> /data/snapshots localhost.localdomain(rw,async,wdelay,crossmnt,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
>
> root@tsmsrvj:/etc# mount -o vers=3 localhost:/data/fex /nfs/localhost/fex
> root@tsmsrvj:/etc# mount -o vers=3 localhost:/data/snapshots /nfs/localhost/snapshots
> root@tsmsrvj:/etc# mount | grep localhost
> localhost:/data/fex on /nfs/localhost/fex type nfs (rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=127.0.0.1,mountvers=3,mountport=37961,mountproto=udp,local_lock=none,addr=127.0.0.1)
> localhost:/data/snapshots on /nfs/localhost/snapshots type nfs (rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=127.0.0.1,mountvers=3,mountport=37961,mountproto=udp,local_lock=none,addr=127.0.0.1)
>
What kind of NFS server is this? Isn't UDP mounts legacy and not
normally used by default?
Can you switch to an nfs4 server and try again? I also still think you
should use fsid export option.
> root@tsmsrvj:/etc# ls -la /data/snapshots /nfs/localhost/snapshots
> /data/snapshots:
> total 16
> drwxr-xr-x 1 root root 20 Jul 13 09:19 .
> drwxr-xr-x 1 root root 24 Jul 12 17:42 ..
> drwxr-xr-x 1 fex fex 261964 Mar 7 14:53 fex_1
> drwxr-xr-x 1 fex fex 261964 Mar 7 14:53 fex_2
>
> /nfs/localhost/snapshots:
> total 4
> drwxr-xr-x 1 root root 20 Jul 13 09:19 .
> drwxr-xr-x 4 root root 4096 Jul 12 17:49 ..
> drwxr-xr-x 1 fex fex 261964 Mar 7 14:53 fex_1
> drwxr-xr-x 1 fex fex 261964 Mar 7 14:53 fex_2
>
> root@tsmsrvj:/etc# du -Hs /nfs/localhost/snapshots
> du: WARNING: Circular directory structure.
> This almost certainly means that you have a corrupted file system.
> NOTIFY YOUR SYSTEM MANAGER.
> The following directory is part of the cycle:
> /nfs/localhost/snapshots/fex_1/XXXXXXXXXX@gmail.com
>
> du: WARNING: Circular directory structure.
> This almost certainly means that you have a corrupted file system.
> NOTIFY YOUR SYSTEM MANAGER.
> The following directory is part of the cycle:
> /nfs/localhost/snapshots/fex_2/XXXXXXXXXX@gmail.com
>
> 25708064 /nfs/localhost/snapshots
>
> root@tsmsrvj:/etc# du -Hs /data/snapshots
> 25712896 /data/snapshots
>
> root@tsmsrvj:/etc# ls -R /nfs/localhost/snapshots | wc -l
> ls: /nfs/localhost/snapshots/fex_1/XXXXXXXXXX@gmail.com: not listing already-listed directory
> ls: /nfs/localhost/snapshots/fex_2/XXXXXXXXXX@gmail.com: not listing already-listed directory
> 128977
>
> root@tsmsrvj:/etc# ls -R /data/snapshots | wc -l
> 129021
>
> root@tsmsrvj:/etc# ls -aR /nfs/localhost/snapshots | wc -l
> ls: /nfs/localhost/snapshots/fex_1/XXXXXXXXXX@gmail.com: not listing already-listed directory
> ls: /nfs/localhost/snapshots/fex_2/XXXXXXXXXX@gmail.com: not listing already-listed directory
> 281357
>
> root@tsmsrvj:/etc# ls -aR /data/snapshots | wc -l
> 281427
>
>
>
> More debug info:
>
> root@tsmsrvj:/data/snapshots# find . >/tmp/local.list
>
> root@tsmsrvj:/nfs/localhost/snapshots# find . >/tmp/nfs.list
> find: File system loop detected; './fex_1/XXXXXXXXXX@gmail.com' is part of the same file system loop as '.'.
> find: File system loop detected; './fex_2/XXXXXXXXXX@gmail.com' is part of the same file system loop as '.'.
>
> root@tsmsrvj:/nfs/localhost/snapshots# diff -u /tmp/local.list /tmp/nfs.list
>
> --- /tmp/local.list 2021-07-13 09:25:36.388084331 +0200
> +++ /tmp/nfs.list 2021-07-13 09:26:02.120793230 +0200
> @@ -1,25 +1,5 @@
> .
> ./fex_1
> -./fex_1/XXXXXXXXXX@gmail.com
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/alist
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/filename
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/size
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/autodelete
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/keep
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/ip
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/uurl
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/useragent
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/header
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/dkey
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/speed
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/md5sum
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/download
> -./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/error
> -./fex_1/XXXXXXXXXX@gmail.com/.log
> -./fex_1/XXXXXXXXXX@gmail.com/.log/fup
> -./fex_1/XXXXXXXXXX@gmail.com/.log/fop
> ./fex_1/XXXXXXXXXX@web.de
> ./fex_1/XXXXXXXXXX@web.de/@LOCALE
> ./fex_1/XXXXXXXXXX@web.de/.log
> @@ -97976,26 +97956,6 @@
> ./fex_1/.xkeys
> ./fex_1/.snapshot
> ./fex_2
> -./fex_2/XXXXXXXXXX@gmail.com
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/alist
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/filename
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/size
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/autodelete
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/keep
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/ip
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/uurl
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/useragent
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/header
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/dkey
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/speed
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/md5sum
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/download
> -./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/error
> -./fex_2/XXXXXXXXXX@gmail.com/.log
> -./fex_2/XXXXXXXXXX@gmail.com/.log/fup
> -./fex_2/XXXXXXXXXX@gmail.com/.log/fop
> ./fex_2/XXXXXXXXXX@web.de
> ./fex_2/XXXXXXXXXX@web.de/@LOCALE
> ./fex_2/XXXXXXXXXX@web.de/.log
>
next prev parent reply other threads:[~2021-07-19 12:06 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-13 3:53 any idea about auto export multiple btrfs snapshots? Wang Yugui
2021-03-10 7:46 ` nfs subvolume access? Ulli Horlacher
2021-03-10 7:59 ` Hugo Mills
2021-03-10 8:09 ` Ulli Horlacher
2021-03-10 9:35 ` Graham Cobb
2021-03-10 15:55 ` Ulli Horlacher
2021-03-10 17:29 ` Forza
2021-03-10 17:46 ` Ulli Horlacher
2021-03-10 8:17 ` Ulli Horlacher
2021-03-11 7:46 ` Ulli Horlacher
2021-07-08 22:17 ` cannot use btrfs for nfs server Ulli Horlacher
2021-07-09 0:05 ` Graham Cobb
2021-07-09 4:05 ` NeilBrown
2021-07-09 6:53 ` Ulli Horlacher
2021-07-09 7:23 ` Forza
2021-07-09 7:24 ` Hugo Mills
2021-07-09 7:34 ` Ulli Horlacher
2021-07-09 16:30 ` Chris Murphy
2021-07-10 6:35 ` Ulli Horlacher
2021-07-11 11:41 ` Forza
2021-07-12 7:17 ` Ulli Horlacher
2021-07-09 16:35 ` Chris Murphy
2021-07-10 6:56 ` Ulli Horlacher
2021-07-10 22:17 ` Chris Murphy
2021-07-12 7:25 ` Ulli Horlacher
2021-07-12 13:06 ` Graham Cobb
2021-07-12 16:16 ` Ulli Horlacher
2021-07-12 22:56 ` g.btrfs
2021-07-13 7:37 ` Ulli Horlacher
2021-07-19 12:06 ` Forza [this message]
2021-07-19 13:07 ` Forza
2021-07-19 13:35 ` Forza
2021-07-27 11:27 ` Ulli Horlacher
2021-07-09 16:06 ` Lord Vader
2021-07-10 7:03 ` Ulli Horlacher
[not found] ` <162632387205.13764.6196748476850020429@noble.neil.brown.name>
2021-07-15 14:09 ` [PATCH/RFC] NFSD: handle BTRFS subvolumes better Josef Bacik
2021-07-15 16:45 ` Christoph Hellwig
2021-07-15 17:11 ` Josef Bacik
2021-07-15 17:24 ` Christoph Hellwig
2021-07-15 18:01 ` Josef Bacik
2021-07-15 22:37 ` NeilBrown
2021-07-19 15:40 ` Josef Bacik
2021-07-19 20:00 ` J. Bruce Fields
2021-07-19 20:44 ` Josef Bacik
2021-07-19 23:53 ` NeilBrown
2021-07-19 15:49 ` J. Bruce Fields
2021-07-20 0:02 ` NeilBrown
2021-07-19 9:16 ` Christoph Hellwig
2021-07-19 23:54 ` NeilBrown
2021-07-20 6:23 ` Christoph Hellwig
2021-07-20 7:17 ` NeilBrown
2021-07-20 8:00 ` Christoph Hellwig
2021-07-20 23:11 ` NeilBrown
2021-07-20 22:10 ` J. Bruce Fields
2021-07-15 23:02 ` NeilBrown
2021-07-15 15:45 ` J. Bruce Fields
2021-07-15 23:08 ` NeilBrown
2021-06-14 22:50 ` any idea about auto export multiple btrfs snapshots? NeilBrown
2021-06-15 15:13 ` Wang Yugui
2021-06-15 15:41 ` Wang Yugui
2021-06-16 5:47 ` Wang Yugui
2021-06-17 3:02 ` NeilBrown
2021-06-17 4:28 ` Wang Yugui
2021-06-18 0:32 ` NeilBrown
2021-06-18 7:26 ` Wang Yugui
2021-06-18 13:34 ` Wang Yugui
2021-06-19 6:47 ` Wang Yugui
2021-06-20 12:27 ` Wang Yugui
2021-06-21 4:52 ` NeilBrown
2021-06-21 5:13 ` NeilBrown
2021-06-21 8:34 ` Wang Yugui
2021-06-22 1:28 ` NeilBrown
2021-06-22 3:22 ` Wang Yugui
2021-06-22 7:14 ` Wang Yugui
2021-06-23 0:59 ` NeilBrown
2021-06-23 6:14 ` Wang Yugui
2021-06-23 6:29 ` NeilBrown
2021-06-23 9:34 ` Wang Yugui
2021-06-23 23:38 ` NeilBrown
2021-06-23 15:35 ` J. Bruce Fields
2021-06-23 22:04 ` NeilBrown
2021-06-23 22:25 ` J. Bruce Fields
2021-06-23 23:29 ` NeilBrown
2021-06-23 23:41 ` Frank Filz
2021-06-24 0:01 ` J. Bruce Fields
2021-06-24 21:58 ` Patrick Goetz
2021-06-24 23:27 ` NeilBrown
2021-06-21 14:35 ` Frank Filz
2021-06-21 14:55 ` Wang Yugui
2021-06-21 17:49 ` Frank Filz
2021-06-21 22:41 ` Wang Yugui
2021-06-22 17:34 ` Frank Filz
2021-06-22 22:48 ` Wang Yugui
2021-06-17 2:15 ` Wang Yugui
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